H S - 4 2 0 I0 pages

HS-420I and M Series Vibration Sensor
Intrinsically Safe, Flame Retardant Housing, 4-20mA Velocity Transducer

Typical Applications
Low cost on-line means of monitoring
with the capability of interfacing direct
into PLC, BMS or any 4-20mA input
module.
Protecting...
Fans, Motors, Pumps, Compressors,
Centrifuges, Conveyers, Air Handlers,
Gearboxes, Rolls, Dryers, Presses,
Cooling, HVAC, Spindles, Machine Tooling,
Process Equipment and many more.

Technical Performance
Mounted Base Resonance
Velocity Ranges
Frequency Response
Isolation
Measurement Range
Transverse Sensitivity

5 kHz min.
0-10 to 0-100 mm/sec RMS ± 10%
Nominal 80 Hz at 22 °C
10 Hz to 1 kHz ±5 % - ISO10816
Base isolated
50 g peak
Less than 5%

Electrical
Output Current
Supply Voltage
Settling Time
Output Impedance
Case Isolation

4-20 mA DC proportional to RMS velocity (mm/s)
15 - 30 Volts DC (for 4-20 mA)
2 seconds
Loop Resistance 600 Ohms max. at 24 Volts
>108 Ohms at 500 Volts

Environmental
Certified Temperature Range
Sensor Temperature Range
Sealing
Maximum Shock
Emissions
Immunity

Ex ia IIC T6 Ga (-40°C < Ta < +60°C) (Gas)
Ex ia IIIC T80°C IP65 Da ( -40°C < Ta < +60°C) (Dust)
Ex ia I Ma ( -40°C < Ta < +60°C) (Mining)
-25 to +90°C
IP65
5000 g
EN61000-6-4:2001
EN61000-6-2:1999

Mechanical
Case Material
Sensing Element/Construction
Mounting Torque
Weight
Maximum Cable length
Cable Connections
Mounting Threads
Options

Stainless Steel
PZT/Compression
8 Nm
780 gms (nom)
See System drawing
Screw Terminals
See 'How to order' table
Various mounts, other sensitivities

Tel: +44(0) 845 680 1957
Fax: +44(0) 845 680 1958
Email: sales@hansfordsensors.com
Web: www.hansfordsensors.com

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